OSO-8 X-ray spectra of clusters of galaxies. 2: Discussion

Details OSO-8 X-ray spectra of clusters of galaxies. 2: Discussion OSO-8 X-ray spectra of clusters of galaxies. 2: Discussion

Jul 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978stin...7828022s&link_type=abstract

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Physics

Galactic Clusters, Galactic Structure, High Temperature Gases, Interstellar Gas, Oso-8, Spectrum Analysis, X Ray Spectra, Bremsstrahlung, Data Correlation, Optical Properties, X Ray Density Measurement

Scientific paper

X-ray spectral parameters obtained from 2 to 20 keV OSO-8 data on X-ray clusters and optical cluster properties were examined to obtain information for restricting models for hot intracluster gas structures. Topics discussed include the radius of the X-ray core in relation to the galaxy core radius, the viral mass of hotter clusters, and galaxy density and optical central cluster properties. A population of cool, dim X-ray clusters which have not been observed is predicted. The iron abundance determinations recently quoted for intracluster gas are uncertain by 50 to greater than 100 percent from this nonstatistical cause alone.

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